package com.example.gulimall.product.exception;

import com.example.common.exception.BizCodeEnume;
import com.example.common.utils.R;
import com.google.protobuf.Message;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/*****
 * 集中处理所有异常
 * @ResponseBody
 * @ControllerAdvice
 * 整合为@RestControllerAdvice
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.example.gulimall.product.controller")
public class GulimallExceptionCotrollerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}，异常类型{}",e.getMessage(),e.getClass());
        Map<String,String> errorMap=new HashMap<>();
        BindingResult bindingResult=e.getBindingResult();
        bindingResult.getFieldErrors().forEach((item)->{
            String feild=item.getField();
            String message=item.getDefaultMessage();
            errorMap.put(feild,message);
        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Exception e){
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg());
    }
}
